1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
#include <errno.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/ioctl.h>
#if EMSCRIPTEN
#include <emscripten.h>
#endif
#define EXPECTED_BYTES 5
int main(void)
{
struct sockaddr_in stSockAddr;
int Res;
#if !TEST_DGRAM
int SocketFD = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
#else
int SocketFD = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
#endif
if (-1 == SocketFD)
{
perror("cannot create socket");
exit(EXIT_FAILURE);
}
memset(&stSockAddr, 0, sizeof(stSockAddr));
stSockAddr.sin_family = AF_INET;
stSockAddr.sin_port = htons(SOCKK);
Res = inet_pton(AF_INET, "127.0.0.1", &stSockAddr.sin_addr);
if (0 > Res) {
perror("error: first parameter is not a valid address family");
close(SocketFD);
exit(EXIT_FAILURE);
} else if (0 == Res) {
perror("char string (second parameter does not contain valid ipaddress)");
close(SocketFD);
exit(EXIT_FAILURE);
}
printf("connect..\n");
if (-1 == connect(SocketFD, (struct sockaddr *)&stSockAddr, sizeof(stSockAddr))) {
perror("connect failed");
close(SocketFD);
exit(EXIT_FAILURE);
}
printf("send..\n");
char data[] = "hello from the other siide\n";
send(SocketFD, data, sizeof(data), 0);
printf("stall..\n");
//int bytes;
//while (1) ioctl(SocketFD, FIONREAD, &bytes);
return EXIT_SUCCESS;
}
|